Alpha PowerBay BDFB User manual

PowerBay+™ Full Size BDFB
Secondary DC Power Distribution System
Technical Manual
Effective: January 2020

2C048-740-30 R02, Rev. C (01/2020)
The following sections contain important safety information that must be followed during the installation and maintenance
of the equipment and batteries. Read all of the instructions before installing or operating the equipment, and save this
manual for future reference.
There may be multiple warnings associated with the call out. Example:
ATTENTION provides specic regulatory/code requirements that may a󰀨ect the placement of equipment and /or
installation procedures.
ATTENTION:
NOTICE provides additional information to help complete a specic task or procedure.
NOTICE:
ELECTRICAL HAZARD WARNING provides electrical safety information to PREVENT INJURY OR DEATH
to the technician or user.
WARNING! ELECTRICAL HAZARD
FUMES HAZARD WARNING provides fumes safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! FUMES HAZARD
FIRE HAZARD WARNING provides ammability safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! FIRE HAZARD
This WARNING provides safety information for both Electrical AND Fire Hazards
WARNING! ELECTRICAL & FIRE HAZARD
CAUTION provides safety information intended to PREVENT DAMAGE to material or equipment.
CAUTION!
GENERAL HAZARD WARNING provides safety information to PREVENT INJURY OR DEATH to the
technician or user.
WARNING! GENERAL HAZARD
Safety Notes
Alpha Technologies Services, Inc. considers customer safety and satisfaction its most important priority. To reduce the
risk of injury or death and to ensure continual safe operation of this product, certain information is presented di󰀨erently in
this manual. Alpha®tries to adhere to ANSI Z535 and encourages special attention and care to information presented in
the following manner:

3C048-740-30 R02, Rev. C (01/2020)
PowerBay+™ BDFB
Secondary DC Power Distribution System
Technical Manual
C048-740-30 R02, Rev. C
E󰀨ective: January 2020
©2020 by Alpha Technologies Services, Inc.
Disclaimer
Images contained in this manual are for illustrative purposes only. These images may not match your installation.
Operator is cautioned to review the drawings and illustrations contained in this manual before proceeding. If there are
questions regarding the safe operation of this powering system, please contact Alpha Technologies Services, Inc. or your
nearest Alpha representative.
Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies, generators, batteries or
other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is
installed or operated in an unapproved manner or improperly maintained.
Contact Information
Sales information and customer service in USA
(7AM to 5PM, Pacic Time): 1 800 322 5742
Complete Technical Support in USA
(7AM to 5PM, Pacic Time or 24/7 emergency support): 1 800 863 3364
Sales information and Technical Support in Canada: 1 888 462 7487
Website: www.alpha.com

4C048-740-30 R02, Rev. C (01/2020)
Table of Contents
1.0 Purpose and Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Product Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.0 Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.0 Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Installation Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.1 Elevated Operating Ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.2 Reduced Air Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.3 Mechanical Loading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.4 Circuit Overloading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.5 Reliable Earthing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1.6 Disconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.3 Grounding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4 Input Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.4.1 Dual-Bus Input Connections (with Internal RTN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4.2 Dual-Bus Input Connections (without Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4.3 Quad-Bus Input Connections (with Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4.4 Quad-Bus Input Connections (without Internal RTN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4.5 Eight-Bus Input Connections (with Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.4.6 Eight-Bus Input Connections (without Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.5 Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.5.1 Output Adapters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.6 Safety Cover Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.6.1 Bus Safety Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.6.2 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.7 Circuit Breaker Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.7.1 AM Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.7.2 GJ Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.8 Bus Reconguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.8.1 Return Bus Interconnection Jumper Installation (Models with Internal RTN) . . . . . . . . . . . . . . . 18
4.8.2 Hot Bus Interconnection Jumper Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.9 Distribution Panel Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.0 Product Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
5.1 PowerBay+ Full-Size BDFB Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.2 AM Breaker Panel Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.3 GJ Breaker Panel Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.0 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6.1 Menu Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2 Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2.1 Alarm Severity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.3 Settings Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3.1 Volts Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3.3 System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.3.4 Advanced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5C048-740-30 R02, Rev. C (01/2020)
Table of Contents (Continued)
6.4 BDFB Congurator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.5 Breaker Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.5.1 Load Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.5.2 Breaker Ampacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.5.3 Breaker Inventory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.6 How to Review System Status via the Embedded Webserver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.6.1 Default Static Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.7 Navigating the Webserver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.8 Realtime Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.9 Administration Home . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.9.1 Notication Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.9.2 Email & SNMP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.9.3 Site Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.9.4 Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.9.5 Upload Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.9.6 Reboot Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Appendix A: Mechanical Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
A.1 PowerBay+ Full BDFB Isometric View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
A.2 PowerBay+ Full BDFB Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
A.3 PowerBay+ Full BDFB Grounding Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
A.4 AM Breaker Panel Isometric Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
A.5 GJ Breaker Panel Isometric Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Appendix B: Bus Layout and Jumper Congurations. . . . . . . . . . . . . . . . . . . . . . 38
B.1 HOT/RTN Input Bus Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
B.2 Dual-bus HOT/RTN Jumper Conguration (w/Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
B.3 Quad-bus HOT/RTN Jumper Conguration (w/Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
B.4 Eight-bus HOT/RTN Jumper Conguration (w/Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Appendix C: Input Cable Congurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
C.1 Dual-bus Input Cable Positions (w/Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
C.2 Dual-bus HOT Input Cable Positions (w/o Internal RTN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
C.3 Quad-bus HOT/RTN Input Cable Positions (w/Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
C.4 Quad-bus HOT Input Cable Positions (w/o Internal RTN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
C.5 Eight-Bus HOT/RTN Input Cable Positions (w/Internal RTN; All HOT/RTN Positions Cabled) . . . . . . 46
C.6 Eight-Bus HOT Input Cable Positions (w/o Internal RTN; All HOT Positions Cabled) . . . . . . . . . . . . . 47
Appendix D: Supported Lugs For Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Appendix E: Supported Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6C048-740-30 R02, Rev. C (01/2020)
1.01.0 Purpose and ApplicabilityPurpose and Applicability
This document covers the installation and operation of the
PowerBay+™Full-Size BDFB.
1.11.1 Product ModelProduct Model
This document applies to Alpha®products in the following model
congurations:
yC016-1900-10 through C016-1924-10 Dual-Bus, Quad-Bus, and
Eight-Bus PowerBay+ Full-Size BDFB congurations (r02)
2.02.0 Theory of OperationTheory of Operation
The PowerBay+Full-Size BDFB provides advanced high density
secondary DC power distribution for multiple aplications.
2.12.1 FeaturesFeatures
yModular design
yUnmatched safety & reliability features
yEasy bus reconguration
yDual-bus, Quad-bus, and Eight-bus congurations (1200A per
bus)
yUp to (8) 800A or 1200A rated distribution panels
yUp to 176 AM breaker positions
yIndividual LED breaker trip indication
ySupports AM and GJ breakers as well as TPS, TLS, and GMT
fuses
yInternal or external returns
yTop or bottom feed
yOptional LCD touchscreen controller with Ethernet (SNMP,
Modbus, HTTP)
yOptional per-circuit current monitoring and RedundancyTracker™
3.03.0 Unpacking and InspectionUnpacking and Inspection
The Alpha PowerBay+ Full-Size BDFB was carefully packaged
and securely bolted to a pallet at the factory to withstand the
normal rigors of shipping, however, you should carefully inspect
all packaging and contents to conrm that no damage has
occurred in transit. Most shipping carriers require notication of
shipping damage within twenty-four hours of delivery, and it is the
responsibility of the recipient to inspect the shipment immediately
upon receipt.
3.13.1 Package ContentsPackage Contents
yPowerBay+Full-Size BDFB
yInstallation Hardware Kit
ySetup and operation manual
yQuickstart installation guide
yDistribution panels pre-installed (if so ordered)
Figure 1. PowerBay+ Full-Size BDFB

7C048-740-30 R02, Rev. C (01/2020)
4.04.0 InstallationInstallation
4.14.1 Installation PreparationInstallation Preparation
THIS PRODUCT MUST BE INSTALLED WITHIN A
RESTRICTED ACCESS LOCATION WHERE ACCESS IS
THROUGH THE USE OF A TOOL, LOCK AND KEY, OR
OTHER MEANS OF SECURITY, AND IS CONTROLLED
BY THE AUTHORITY RESPONSIBLE FOR THE
LOCATION. THIS PRODUCT MUST BE INSTALLED AND
MAINTAINED ONLY BY QUALIFIED TECHNICIANS.
NOTICE:
ENSURE THAT THERE IS ADEQUATE GROUND AND
CEILING SPACE FOR PLACEMENT OF THE BDFB.
NOTICE:
4.1.14.1.1 Elevated Operating AmbientElevated Operating Ambient
Install the BDFB and associated equipment in an environment
compatible with the maximum ambient temperature (TMA) specied
by the manufacturer.
4.1.24.1.2 Reduced Air FlowReduced Air Flow
Installation of the BDFB and associated equipment should be
such that the amount of air ow required for safe operation of the
equipment is not compromised.
4.1.34.1.3 Mechanical LoadingMechanical Loading
Mounting of the BDFB and associated equipment should be
such that a hazardous condition is not achieved due to uneven
mechanical loading.
4.1.44.1.4 Circuit OverloadingCircuit Overloading
Give consideration to the connection of the equipment to the
supply circuit and the e󰀨ect that overloading of the circuits might
have on overcurrent protection and supply wiring. Use appropriate
consideration for equipment nameplate ratings when addressing this
concern.
4.1.54.1.5 Reliable EarthingReliable Earthing
Maintain reliable earthing of BDFB and associated equipment.
Pay particular attention to supply connections other than direct
connections to the branch circuit (e.g., use of power strips).
4.1.64.1.6 Disconnect DeviceDisconnect Device
A readily accessible disconnect device must be incorporated into the
building installation wiring.

8C048-740-30 R02, Rev. C (01/2020)
4.24.2 MountingMounting
The Full-Size BDFB will need to be securely mounted to the ground
by the use of (4) Hilti concrete anchors.
Step 1. Remove the rear covers of the BDFB.
Step 2. Measuring the distance between the four slotted mounting
locations found on the base of the rack, mark and drill holes
into desired concrete location for rack placement (see Figure
2).
Step 3. Carefully move the BDFB into place while aligning the slotted
mounting holes with the holes drilled in Step 2. Insert a drop-
in Hilti Anchor for each hole.
Step 4. Insert and securely fasten all (4) Hilti anchor bolts into the
anchors (see Figure 3).
4.34.3 GroundingGrounding
Table 1. Ground Specications
TWO HOLE
LANDING
TYPE
HOLE/
STUD
SIZE
CENTER TO
CENTER
RECOMMENDED
TORQUE VALUE
Threaded
Insert
3/8 in. 1 in. 350 in·lbs
The ground landings are located on the left and right side on the top
of the BDFB rack assembly. Refer to mechanical drawings found in
Appendix A for greater detail regarding grounding locations.
Step 1. Select the desired grounding location and break away the
associated knock-out points found on the plastic top cover
(see Figure 4).
Step 2. Connect the ground cable with 3/8 in hardware. Ensure heat
shrink and no-oxide compound are applied appropriately prior
to termination.
Step 3. Torque the fasteners to 350 in·lbs.
DO NOT ENERGIZE THE BDFB BEFORE GROUND IS
CONNECTED.
CAUTION!
Figure 2. Rack Footprint
Figure 3. Anchoring Rack
Figure 4. Grounding Locations (Top View)

9C048-740-30 R02, Rev. C (01/2020)
4.44.4 Input ConnectionsInput Connections
WARNING! ELECTRICAL HAZARD
INPUTS MUST BE PROTECTED BY A LISTED CIRCUIT
BREAKER OR BRANCH RATED FUSE. THE CIRCUIT
BREAKER OR FUSE MUST BE RATED AT 1200A MAX.
MULTIPLE POWER SOURCES ARE PRESENT. ENSURE
ALL INPUT POWER FEEDS ARE NOT ENERGIZED
BEFORE INSTALLING THEM. ELECTRICAL
INSTALLATION SHOULD ONLY BE PERFORMED BY
QUALIFIED PERSONNEL WITH PROPER TOOLS AND
PROTECTIVE SAFETY EQUIPMENT.
MAKE SURE THAT ALL FEEDER CABLES HAVE HEAT
SHRINK APPLIED PRIOR TO TERMINATION, AND THAT
NO-OXIDE COMPOUND IS APPLIED TO ALL COPPER-
TO-COPPER CONNECTIONS.
NOTICE:
Table 2. Input Specications
TERMINATION
TYPE
HOLE/
STUD
SIZE
CENTER
TO
CENTER
RECOMMENDED
TORQUE VALUE
Through Hole 3/8 in. 1 in. 350 in·lbs
The Full-Size BDFB can be cabled in dual, quad, and eight-bus
congurations. Each of the eight HOT (-) and RTN (+) input positions
are individually labeled throughout the BDFB buswork (see Figure 7).
The Full-Size BDFB is also capable of connecting to external RTN
buses.
Figure 5. Input Bus Plastic Safety Shields
Figure 6. HOT/RTN Input Bus Locations
Figure 7. Numbered Input
Bus Locations (Internal RTN
Shown)
Figure 8. HOT Input Cable
Termination
Figure 9. RTN Input Cable
Termination

10 C048-740-30 R02, Rev. C (01/2020)
4.4.14.4.1 Dual-Bus Input Connections (with InternalDual-Bus Input Connections (with Internal
RTN)RTN)
The hot and return buses on the dual-bus conguration are
all equipped with interconnection jumpers, thus hot/return
input cables are to be installed only on hot/return positions
1-2 on this conguration (see Figure 10). For more detailed
information, refer to Appendix B and C for input bus and cable
layout.
Step 1. Remove the input bus plastic safety covers (see Figure
5 on Page 9).
Step 2. Install the hot input cables/lugs to hot input positions
1-2 (see Figure 8 on Page 9).
Step 3. Install the return input cables/lugs to return input
positions 1-2 (see Figure 9 on Page 9).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to
the bus bars.
Step 5. Reattach the input bus plastic safety covers.
4.4.24.4.2 Dual-Bus Input Connections (withoutDual-Bus Input Connections (without
Internal RTN)Internal RTN)
The hot buses on the dual-bus conguration are all equipped
with interconnection jumpers, thus hot input cables are to be
installed only on hot positions 1-2 on this conguration (see
Figure 11). For more detailed information, refer to Appendix B
and C for input bus and cable layout.
Step 1. Remove the input bus plastic safety covers (see Figure
5 on Page 9).
Step 2. Install the external return input connections.
Step 3. Install the hot input cables/lugs to hot input positions
1-2 (see Figure 8 on Page 9).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to
the bus bars.
Step 5. Reattach the input bus plastic safety covers.
Figure 10. Dual-Bus HOT/RTN Input
Connections (with Internal RTN)
Figure 11. Dual-Bus HOT Input
Connections (without Internal RTN)

11 C048-740-30 R02, Rev. C (01/2020)
4.4.34.4.3 Quad-Bus Input Connections (with InternalQuad-Bus Input Connections (with Internal
RTN)RTN)
The hot and return buses on the quad-bus conguration are
equipped with interconnection jumpers between hot/return positions
1-4 and positions 5-8, thus hot/return input cables are to be
installed only on hot/return positions 1-2 and positions 5-6 on this
conguration (see Figure 12). For more detailed information, refer to
Appendix B and C for input bus and cable layout.
Step 1. Remove the input bus plastic safety covers (see Figure 5 on
Page 9).
Step 2. Install the hot input cables/lugs to hot input positions 1-2 and
5-6 (see Figure 8 on Page 9).
Step 3. Install the return input cables/lugs to return input positions 1-2
and 5-6 (see Figure 9 on Page 9).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to the bus
bars.
Step 5. Reattach the input bus plastic safety covers.
4.4.44.4.4 Quad-Bus Input Connections (without InternalQuad-Bus Input Connections (without Internal
RTN)RTN)
The hot buses on the quad-bus conguration are equipped with
interconnection jumpers between hot positions 1-4 and positions 5-8,
thus hot input cables are to be installed only on hot positions 1-2 and
positions 5-6 on this conguration (see Figure 13). For more detailed
information, refer to Appendix B and C for input bus and cable layout.
Step 1. Remove the input bus plastic safety covers (see Figure 5 on
Page 9).
Step 2. Install the external return input connections.
Step 3. Install the hot input cables/lugs to hot input positions 1-2 and
5-6 (see Figure 8 on Page 9).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to the bus
bars.
Step 5. Reattach the input bus plastic safety covers.
Figure 12. Quad-Bus HOT/RTN Input
Connections (with Internal RTN)
Figure 13. Quad-Bus HOT Input
Connections (without Internal RTN)

12 C048-740-30 R02, Rev. C (01/2020)
4.4.54.4.5 Eight-Bus Input Connections (with InternalEight-Bus Input Connections (with Internal
RTN)RTN)
The hot and return buses on the eight-bus conguration each exist
without interconnection jumpers, thus hot/return input cables are
to be installed on all eight hot/return input connections for this
conguration (see Figure 14). For more detailed information, refer to
Appendix B and C for input bus and cable layout.
Step 1. Remove the input bus plastic safety covers (see Figure 5 on
Page 9).
Step 2. Install the hot input cables/lugs to all eight hot input positions
(see Figure 8 on Page 9).
Step 3. Install the return input cables/lugs to all eight return input
positions (see Figure 9 on Page 9).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to the bus
bars.
Step 5. Reattach the input bus plastic safety covers.
4.4.64.4.6 Eight-Bus Input Connections (without InternalEight-Bus Input Connections (without Internal
RTN)RTN)
The hot buses on the eight-bus conguration each exist without
interconnection jumpers, thus hot input cables are to be installed on
all eight hot input connections for this conguration (see Figure 15).
For more detailed information, refer to Appendix B and C for input
bus and cable layout.
Step 1. Remove the input bus plastic safety covers (see Figure 5 on
Page 5).
Step 2. Install the external return input connections.
Step 3. Install the hot input cables/lugs to all eight hot input positions
(see Figure 8 on Page 5).
Step 4. Bolt all lugs to the bus bars using a at and lock washer.
Tighten all of the hardware and ensure that the lugs are
straight and parallel with each other as they mount to the bus
bars.
Step 5. Reattach the input bus plastic safety covers.
Figure 14. Eight-Bus HOT/RTN Input
Connections (with Internal RTN)
Figure 15. Eight-Bus HOT Input
Connections (without Internal RTN)

13 C048-740-30 R02, Rev. C (01/2020)
4.54.5 Output ConnectionsOutput Connections
DO NOT PERFORM THIS STEP ON CIRCUITS WITH
BREAKERS OR FUSES INSTALLED. ENSURE NO
POWER IS PRESENT ON THE CIRCUIT BEING WIRED
BEFORE PROCEEDING. MAKE SURE THAT ALL
CABLES HAVE INSULATED TERMINALS OR HEAT
SHRINK APPLIED PRIOR TO TERMINATION, AND THAT
NO-OXIDE COMPOUND IS APPLIED TO ALL COPPER-
TO-COPPER CONNECTIONS.
CAUTION!
Table 3. Output Specications
TERMINATION
TYPE
HOLE/
STUD
SIZE
CENTER-
TO-CENTER
RECOMMENDED
TORQUE VALUE
Threaded Stud 1/4-20 5/8 in. 100 in·lbs
Each panel has a total of 22 breaker/fuse holder positions. Refer
to the label located next to each panel on the front of the BDFB for
channel mapping.
Step 1. Remove the return output bus plastic safety covers (see
Figure 16).
Step 2. Beginning with the bottom bus and working upwards, install
all hot output cables/lugs to the studs located on the back of
each panel and tighten hardware (see Figure 17).
Step 3. Install all return output cables/lugs to the return output studs
located on the return output bus and tighten hardware (see
Figure 18).
Step 4. Route the output cables upwards in an organized fashion by
tying to the lacing bars located throughout the BDFB rack
assembly.
Step 5. Reattach the return output bus plastic safety covers.
Figure 16. RTN Output Bus Plastic Cover
Figure 17. HOT Output Connections
Figure 18. RTN Output Connections

14 C048-740-30 R02, Rev. C (01/2020)
4.5.14.5.1 Output AdaptersOutput Adapters
Output adapters are an available option for the AM and GJ breaker
panels. These adapters are o󰀨ered in straight, 45, and 90 degree
angled orientations.
Table 4. Output Adapter Options (see Figures 19-23)
PART
NUMBER
DESCRIPTION
C590-2267-10 2 pole output adapter; straight; AM breaker panel
C590-2268-10 3 pole output adapter; straight; AM breaker panel
C590-2483-10 2 pole output adapter; 45 deg; AM breaker panel
C590-2484-10 3 pole output adapter; 45 deg; AM breaker panel
C590-1891-10 Single pole output adapter; 45 deg; GJ breaker
panel
C590-1890 -10 Single pole output adapter; 90 deg; GJ breaker
panel
C590-2409-10 2 pole output adapter; 45 deg; GJ breaker panel
C590-2410-10 3 pole output adapter; 45 deg; GJ breaker panel
C59 0 -2411-10 2 pole output adapter; 90 deg; GJ breaker panel
C59 0-2412-10 3 pole output adapter; 90 deg; GJ breaker panel
C590-2408-10 3 pole output adapter; straight; internal return; AM
& GJ breaker panel
C590-2407-10 2 pole output adapter; straight; internal return; AM
& GJ breaker panel
Table 5. Output Adapter Specications
OUTPUT
TYPE
TERMINATION
TYPE
HOLE/
STUD
SIZE
CENTER-
TO-
CENTER
RECOMMENDED
TORQUE VALUE
AM
Breaker
Panel
Threaded Stud 3/8 in. 1 in. 350 in·lbs
GJ
Breaker
Panel
Through Hole 3/8 in. 1 in. 350 in·lbs
Internal
Return
PEM 3/8 in. 1 in. 350 in·lbs
Figure 19. AM Breaker Panel Output
Adapters
Figure 20. GJ Breaker Panel Output
Adapters
Figure 21. GJ Breaker Panel
Output Adapters
Figure 22. GJ Breaker Panel Output
Adapters
Figure 23. RTN Output Adapters
(AM and GJ)

15 C048-740-30 R02, Rev. C (01/2020)
4.64.6 Safety Cover InstallationSafety Cover Installation
WARNING! ELECTRICAL HAZARD
FAILURE TO INSTALL/REINSTALL THE SAFETY
COVERS WILL CREATE AN ELECTRICAL HAZARD.
4.6.14.6.1 Bus Safety CoversBus Safety Covers
The BDFB will ship from the factory with plastic safety covers either
mounted in place or packaged inside the rack. However, as noted
in the previous installation procedures, they will require removal for
cable termination access. Once installation of all cabling is complete,
ensure that each plastic safety cover has been reattached to its
original position before proceeding to output cable installation (see
Figures 5 & 16).
4.6.24.6.2 Top CoverTop Cover
The Full-Size BDFB includes a plastic top cover that is scored with
knock-out points intended for various congurations of input and
output cable entry through the top of the rack (see Figure 24). Once
BDFB installation is complete, it is important to reuse as much of
the top cover as possible by removing only unnecessary knock-out
points to allow cable to be fed into the bay while minimizing the
chance of foreign objects from entering.
4.74.7 Circuit Breaker InstallationCircuit Breaker Installation
WARNING! ELECTRICAL HAZARD
ELECTRICAL INSTALLATION SHOULD ONLY BE
PERFORMED BY QUALIFIED PERSONNEL WITH
PROPER TOOLS AND PROTECTIVE SAFETY
EQUIPMENT.
4.7.14.7.1 AM Circuit BreakersAM Circuit Breakers
For a list of compatible AM breakers, see Appendix E on Page 50.
Step 1. Ensure that breaker is in the OFF position before installing
into panel (see Figure 25).
Step 2. Open the AM breaker panel access door and view the
channel mapping inside of the panel for correct LOAD/LINE
breaker orientation, then insert breaker(s) into the bullet
sockets (see Figure 26).
Figure 24. Top Cover Knock-Out Points
Figure 25. Turn Breaker O󰀨
Figure 26. Insert Breaker

16 C048-740-30 R02, Rev. C (01/2020)
4.7.24.7.2 GJ Circuit BreakersGJ Circuit Breakers
For a list of compatible GJ breakers, see Appendix E on Page 50.
Step 1. Ensure that breaker is in the OFF position before installing
into panel (see Figure 27).
Step 2. Remove breaker shield(s) from GJ breaker panel by loosing
the captive thumbscrews (see Figure 28).
Step 3. Depending on number of breakers selected, remove the
plastic blanking cover(s) by uninstalling the 6-32 hex nuts
(see Figure 29).
Step 4. To ensure correct breaker polarity, view the channel mapping
label located on the breaker shield removed in Step 2 for
correct LOAD/LINE breaker orientation. Secure breaker(s)
into place by tightening the 3/8 in hardware (see Figure 30).
Step 5. Reattach breaker shield(s) from Step 2.
Figure 27. Turn Breaker O󰀨
Figure 28. Remove Breaker Shield(s)
Figure 29. Remove Blanking Cover(s)
Figure 30. Install Breaker(s)

17 C048-740-30 R02, Rev. C (01/2020)
4.84.8 Bus RecongurationBus Reconguration
WARNING! ELECTRICAL HAZARD
MULTIPLE POWER SOURCES ARE PRESENT.
ELECTRICAL INSTALLATION SHOULD ONLY BE
PERFORMED BY QUALIFIED PERSONNEL WITH PROPER
TOOLS AND PROTECTIVE SAFETY EQUIPMENT.
MAKE SURE THAT NO-OXIDE COMPOUND IS APPLIED
TO ALL COPPER-TO-COPPER CONNECTIONS.
NOTICE:
Table 6. Interconnection Jumper Specications
TERMINATION
TYPE
HOLE/STUD
SIZE
CENTER
TO
CENTER
RECOMMENDED
TORQUE VALUE
Threaded Insert 3/8 in. 1 in. 350 in·lbs
The Full-Size BDFB was designed so that its buswork and distribution
panels can be recongured at any time later on to meet the desired
needs of the customer. It is possible to recongure the buswork to
create a dual-bus, quad-bus, or an eight-bus BDFB. Figures 31-33
below represent the di󰀨erent interconnection jumper layouts that can
be achieved by simply adding or removing jumpers. For more detailed
information, refer to Appendix B for bus locations and layout.
To assemble a dual-bus conguration, install the hot/return jumpers
between all hot/return buses (see Figure 31). To assemble a quad-bus
conguration, install the hot/return jumpers on all hot/return buses
except for the middle position (see Figure 32). To assemble an eight-
bus conguration, remove all hot/return jumpers (see Figure 33). Refer
to 4.8.1 and 4.8.2 on Page 18 for detailed interconnection jumper
installation instructions.
Figure 31. Dual-Bus Jumper
Conguration
Figure 32. Quad-Bus Jumper
Conguration
Figure 33. Eight-Bus
Conguration (No Jumpers)

18 C048-740-30 R02, Rev. C (01/2020)
4.8.14.8.1 Return Bus Interconnection Jumper InstallationReturn Bus Interconnection Jumper Installation
(Models with Internal RTN)(Models with Internal RTN)
Step 1. Depending on the selected conguration, align the return
jumper in place between the return buses.
Step 2. For each return jumper, insert the six 3/8 in. bolts with at and
lock washers through the pems located on the return buses.
Take caution as to not drop any hardware during this process
(see Figure 34).
Step 3. Ensure that each jumper is straight and parallel with the
return buses, then tighten all hardware.
4.8.24.8.2 Hot Bus Interconnection Jumper InstallationHot Bus Interconnection Jumper Installation
Step 1. Remove the center panel by loosening the four pan head
screws (see Figure 35).
Step 2. Remove the hot jumper access panel by removing the two
#6-32 screws (see Figure 36).
Step 3. Firmly holding onto the plastic handle, carefully insert the hot
jumper into the hot jumper access compartment and align it
with the hot buses.
Step 4. Insert the eight 3/8 in. socket cap bolts with at and lock
washers through the hot jumper and into the pems of the hot
buses. Take caution as to not drop any hardware during this
process (see Figure 37).
Step 5. Ensure that each jumper is straight and parallel with the hot
buses, then tighten all hardware.
Step 6. Reattach the hot jumper access panel and the center panel.
Figure 34. RTN Jumper
Figure 35. Center Panel
Figure 36. HOT Jumper Access Panel Figure 37. HOT Jumper

19 C048-740-30 R02, Rev. C (01/2020)
4.94.9 Distribution Panel InstallationDistribution Panel Installation
Depending on the conguration ordered, the BDFB may have
empty panel positions that are covered with blanking plates. If extra
distribution is needed anytime in the future, these plates can be
easily removed and replaced with breaker panels by following these
instructions.
Step 1. Remove the center panel by loosening the four pan head
screws (see Figure 38).
Step 2. Remove the panel blanking plate by removing the three #12-
24 screws from the mounting ear (see Figure 39).
Step 3. Carefully insert the AM breaker panel into the slot (see Figure
40; also applicable for GJ breaker panel). Take caution as to
not damage the panel mount interface connector during panel
insertion (see Figure 41).
Step 4. Secure the panel to the rack assembly by inserting and
tightening down the three #12-24 screws from Step 2 into the
mounting ear.
Step 5. Install and tighten the supplied 3/8 in. hardware to connect
the panel to the hot bus (see Figure 42).
Step 6. Reattach the center blanking panel from Step 1 and tighten
screws.
Figure 38. Center Panel
Figure 39. Panel Blanking Plate
Figure 40. AM Breaker Panel Insertion Figure 41. Panel Mount Interface
Connector
Figure 42. Panel Connection Hardware

20 C048-740-30 R02, Rev. C (01/2020)
5.05.0 Product SpecicationsProduct Specications
5.15.1 PowerBay+ Full-Size BDFB SpecicationsPowerBay+ Full-Size BDFB Specications
Table 7. Mechanical
Width 26 in.
Height 84 in.
Depth 28 in.
Weight 775 lbs.
Table 8. Electrical
Voltage -48VDC
Load Current Per Bus 960A Max. Continuous
Number of Busses 2, 4, 6, or 8
Alarm Contacts Form-C, 60VDC @ 0.5A Max.
Circuits Up to 176
Input Current 7680A Max.
Maximum Input Interruption
Device
1200A
Interrupt Rating 10000A
Table 9. Environmental
Temperature 0 to 40ºC Operating
Humidity 0 to 95% RH Non-Condensing
Elevation -500 to 3000m
Table 10. Approvals
UL File Number E473904
UL Standard ANSI/UL 60950-1
5.25.2 AM Breaker Panel SpecicationsAM Breaker Panel Specications
Table 11. Mechanical (All Models)
Width 9 in.
Height 20 in.
Depth 10.5 in.